Table 3: Estimated corn grain and cob harvest cost using cob caddy harvest method.

Variable Corn combine Cob harvester

Horse power (hp) 275.00 115.00
Corn head width (ft) 20.00
Life (year) 12.00 10.00
Annual hours of use 300.00 300.00
Fuel consumption (gal/hr) 12.10 2.50
Speed (mph) 2.00 2.00
Field efficiency (%) 0.70 0.70
Capacity (acre/hr) 3.39 3.39
Fuel price ($/gal) $2.60 $2.60
List price ($) $334,795.32 $120,000.00
Fixed cost ($/hr) $104.02 $40.24
Repair cost ($/hr) $37.20 $18.00
Fuel cost ($/hr) $31.46 $6.50
Lubrication cost ($/hr) $4.72 $0.98
Labor cost ($/hr) $17.50
Variable cost ($/hr) $90.88 $25.48

Total cost ($/hr) $194.90 $65.72
Total cost ($/acre) $57.43 $19.36